1. WHAT IS ICT?
Information Communication Technology is the use of technology for the input, processing, storage, and transfer of data and the output of information; for example, traditional computers doing tasks such as sales processing by entering sales data to produce output information such as an invoice.
2. WHAT IS A SYSTEM?
Any activity that involves the capture of data as input, the processing of data into information and the production of information as output.
1.3 INPUT, PROCESSING AND OUTPUT (IPO)
Input
Input is the capturing of Data. Data is input through an input device such as a keyboard.
Processing
Processing is converting data into information. Calculations, queries and other operations are performed during the process stage.
Output
Output is information produced. The results of processing are sent to an output device such as a monitor.
For example; photos from digital camera is transferred to the computer
1.4 WHAT IS AN ICT SYSTEM?
An ICT system is a system where the output from the systems goes directly to a human being or into another ICT system. They are designed for and used by people and are commissioned for a particular purpose.
1.5 HOW AND WHY WE USE ICT SYSTEMS?
Most modern organisations use ICT systems to help them fulfil their goals, but the exact purpose of the ICT system depends on what those goals are.
It is commonplace for many organisations to use ICT systems to produce information that would traditionally have been produced by paper-based systems. This might include receipts, invoices, sales, reports and wage slips.
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1.6 WHAT ARE THE COMPONENTS OF AN ICT SYSTEM?
The following are the components of an ICT system
1. People
They are involved at every stage of a development, with no ICT system able to function with the input of human interaction. Large organisations split work up between departments. These include sales,